package com.juick.api.tests;

import com.juick.Message;
import com.juick.Tag;
import com.juick.User;
import com.juick.api.configuration.ApiAppConfiguration;
import com.juick.api.configuration.ApiMvcConfiguration;
import com.juick.api.configuration.ApiSecurityConfig;
import com.juick.configuration.DataConfiguration;
import com.juick.service.MessagesService;
import com.juick.service.UserService;
import org.apache.commons.lang3.RandomStringUtils;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.Primary;
import org.springframework.http.MediaType;
import org.springframework.security.crypto.codec.Base64;
import org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;

import javax.inject.Inject;
import javax.servlet.http.Cookie;
import java.util.*;

import static org.hamcrest.Matchers.hasSize;
import static org.hamcrest.Matchers.is;
import static org.mockito.Mockito.when;
import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.httpBasic;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.options;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;

/**
 * Created by vitalyster on 25.11.2016.
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
@WebAppConfiguration
public class MessagesTests {
    @Configuration
    @Import(value = {ApiMvcConfiguration.class, ApiAppConfiguration.class, ApiSecurityConfig.class, DataConfiguration.class})
    static class Config {
        @Bean
        @Primary
        MessagesService messagesService() {
            return Mockito.mock(MessagesService.class);
        }

        @Bean
        @Primary
        UserService userService() {
            return Mockito.mock(UserService.class);
        }
    }

    private MockMvc mockMvc;
    @Inject
    private WebApplicationContext webApplicationContext;

    @Inject
    private MessagesService messagesService;
    @Inject
    private UserService userService;

    private static Message getMessage(final User user, final String messageText) {
        Message msg = new Message();

        msg.setMid(1);
        msg.setUser(user);
        msg.setText(messageText == null ? RandomStringUtils.randomAlphanumeric(24) : messageText);
        msg.setTags(Collections.singletonList(new Tag(RandomStringUtils.randomAlphabetic(4))));

        return msg;
    }

    private static User getUser(final int uid, final String name, final String password) {
        User user = new User();

        user.setName(name);
        user.setUid(uid);
        user.setCredentials(password);
        user.setBanned(false);

        return user;
    }

    @Before
    public void setUp() {
        mockMvc = MockMvcBuilders.webAppContextSetup(webApplicationContext)
                .apply(SecurityMockMvcConfigurers.springSecurity())
                .dispatchOptions(true)
                .build();
    }

    @Test
    public void testAllUnAuthorized() throws Exception {
        when(userService.getUserByName(null))
                .thenReturn(new User());

        mockMvc.perform(get("/"))
                .andExpect(status().is4xxClientError());

        mockMvc.perform(get("/home"))
                .andExpect(status().is4xxClientError());

        mockMvc.perform(get("/messages/recommended"))
                .andExpect(status().is4xxClientError());

        mockMvc.perform(get("/messages/set_privacy"))
                .andExpect(status().is4xxClientError());
    }

    @Test
    public void homeTestWithMessages() throws Exception {
        String ugnichName = "ugnich";
        String uginchPassword = "MyPassw0rd!";
        String msgText = "Привет, я - Угнич";

        User user = getUser(1, ugnichName, uginchPassword);
        Message msg = getMessage(user, msgText);

        when(userService.getUserByName(ugnichName))
                .thenReturn(user);
        when(userService.getFullyUserByName(ugnichName))
                .thenReturn(user);
        when(messagesService.getMyFeed(1, 0))
                .thenReturn(Collections.singletonList(1));
        when(messagesService.getMessages(Collections.singletonList(1)))
                .thenReturn(Collections.singletonList(msg));

        mockMvc.perform(
                get("/home")
                        .with(httpBasic(ugnichName, uginchPassword)))
                .andExpect(status().isOk())
                .andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8))
                .andExpect(jsonPath("$", hasSize(1)))
                .andExpect(jsonPath("$[0].mid", is(1)))
                .andExpect(jsonPath("$[0].body", is(msgText)));
    }

    @Test
    public void homeTestWithMessagesAndRememberMe() throws Exception {
        String ugnichName = "ugnich";
        String uginchPassword = "MyPassw0rd!";
        String msgText = "Привет, я - Угнич";
        String hash = "12345678";

        User user = getUser(1, ugnichName, uginchPassword);
        Message msg = getMessage(user, msgText);

        when(userService.getUserByName(ugnichName))
                .thenReturn(user);
        when(userService.getUserByUID(1))
                .thenReturn(Optional.of(user));
        when(userService.getFullyUserByName(ugnichName))
                .thenReturn(user);
        when(messagesService.getMyFeed(1, 0))
                .thenReturn(Collections.singletonList(1));
        when(messagesService.getMessages(Collections.singletonList(1)))
                .thenReturn(Collections.singletonList(msg));
        when(userService.getUIDbyHash(hash))
                .thenReturn(1);

        Cookie cookie = new Cookie("hash", new String(Base64.encode(hash.getBytes())));
        cookie.setDomain("juick.com");
        cookie.setMaxAge(100);

        mockMvc.perform(
                get("/home").cookie(cookie))
                .andExpect(status().isOk());
    }

    @Test
    public void homeTestWithMEssagesAndSimpleCors() throws Exception {
        String ugnichName = "ugnich";
        String uginchPassword = "MyPassw0rd!";

        User user = getUser(1, ugnichName, uginchPassword);
        Message msg = getMessage(user, null);

        when(userService.getFullyUserByName(ugnichName))
                .thenReturn(user);
        when(userService.getUserByName(ugnichName))
                .thenReturn(user);
        when(messagesService.getMyFeed(1, 0))
                .thenReturn(Collections.singletonList(1));
        when(messagesService.getMessages(Collections.singletonList(1)))
                .thenReturn(Collections.singletonList(msg));

        mockMvc.perform(
                get("/home")
                        .with(httpBasic(ugnichName, uginchPassword))
                        .header("Origin", "http://api.example.net"))
                .andExpect(status().isOk())
                .andExpect(header().string("Access-Control-Allow-Origin", "*"));
    }

    @Test
    public void homeTestWithPreflightCors() throws Exception {
        String ugnichName = "ugnich";
        String uginchPassword = "MyPassw0rd!";

        User user = getUser(1, ugnichName, uginchPassword);
        when(userService.getFullyUserByName(ugnichName))
                .thenReturn(user);

        mockMvc.perform(
                options("/home")
                        .with(httpBasic(ugnichName, uginchPassword))
                        .header("Origin", "http://api.example.net")
                        .header("Access-Control-Request-Method", "POST")
                        .header("Access-Control-Request-Headers", "X-PINGOTHER, Content-Type"))
                .andExpect(status().isOk())
                .andExpect(header().string("Access-Control-Allow-Origin", "*"))
                .andExpect(header().string("Access-Control-Allow-Methods", "POST,GET,PUT,OPTIONS,DELETE"))
                .andExpect(header().string("Access-Control-Allow-Headers", "X-PINGOTHER, Content-Type"));
    }

    @Test
    public void anonymousApis() throws Exception {
        String ugnichName = "ugnich";
        String uginchPassword = "MyPassw0rd!";
        String freefdName = "freefd";
        String freefdPassword = "MyPassw0rd!";

        User ugnich = getUser(1, ugnichName, uginchPassword);
        User freefd = getUser(2, freefdName, freefdPassword);

        List<String> users = new ArrayList<>(2);
        users.add(ugnichName);
        users.add(freefdName);

        when(userService.getUsersByName(users))
                .thenReturn(Arrays.asList(ugnich, freefd));

        mockMvc.perform(get("/messages"))
                .andExpect(status().isOk());

        mockMvc.perform(get("/users")
                .param("uname", "ugnich")
                .param("uname", "freefd"))
                .andExpect(status().isOk())
                .andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8))
                .andExpect(jsonPath("$", hasSize(2)));
    }
}